Home / 42,319.59-58,369.99-30,395.18

Finding the Fourth Proportional to 42,319.59, 58,369.99 and 30,395.18

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Solution

The fourth proportional to 42,319.59, 58,369.99 and 30,395.18 is: 41,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,319.59 : 58,369.99 = 30,395.18 : x
  2. Step 2: Convert to fraction form
    42,319.59/58,369.99 = 30,395.18/x
  3. Step 3: Cross multiply
    42,319.59x = 58,369.99 × 30,395.18
  4. Step 4: Simplify right side
    42,319.59x = 1,774,166,352.65
  5. Step 5: Solve for x
    x = 1,774,166,352.65/42,319.59
  6. Step 6: Final answer
    x = 41,923.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.